<template>
  <div class="wscn-http404-container" >
    <div class="wscn-http404">
      <el-row>
        <el-col :md="12" :sm="24" :xs="24">
          <div class="tip">
            <div class="pic-404">
              <img class="pic-404__parent" src="@/assets/404_images/404.png" alt="404">
              <img class="pic-404__child left" src="@/assets/404_images/404_cloud.png" alt="404">
              <img class="pic-404__child mid" src="@/assets/404_images/404_cloud.png" alt="404">
              <img class="pic-404__child right" src="@/assets/404_images/404_cloud.png" alt="404">
            </div>
          </div>
        </el-col>
        <el-col :md="12" :sm="24" :xs="24">
          <div class="tip">
            <div class="bullshit">
              <div class="bullshit__oops">哎呀!</div>
              <div class="bullshit__headline">{{ message }}</div>
              <div class="bullshit__info">请检查您输入的网址是否正确，或者点击下面的按钮返回首页。</div>
              <a href="" class="bullshit__return-home">返回首页</a>
            </div>
          </div>
        </el-col>
      </el-row>
    </div>
  </div>
</template>

<script>

export default {
  name: 'Page404',
  computed: {
    message() {
      return '您所访问的页面不见了...'
    }
  }
}
</script>

<style lang="scss" scoped>
.wscn-http404-container{
  // transform: translate(-50%,-50%);
  // position: absolute;
  // top: 50%;
  // left: 50%;
  // width: 100vw;
  // height: 100vh;
  // display: flex;
  // justify-content: center;
  // align-items: center;
  width: 900px;
  max-width: 100%;
  margin: 150px auto;
}
.wscn-http404 {
  // position: relative;
  // width: 1200px;
  // padding: 0 50px;
  overflow: hidden;
  .pic-404 {
    position: relative;
    float: left;
    width: 600px;
    overflow: hidden;
    &__parent {
      width: 100%;
    }
    &__child {
      position: absolute;
      &.left {
        width: 80px;
        top: 17px;
        left: 220px;
        opacity: 0;
        animation-name: cloudLeft;
        animation-duration: 2s;
        animation-timing-function: linear;
        animation-fill-mode: forwards;
        animation-delay: 1s;
      }
      &.mid {
        width: 46px;
        top: 10px;
        left: 420px;
        opacity: 0;
        animation-name: cloudMid;
        animation-duration: 2s;
        animation-timing-function: linear;
        animation-fill-mode: forwards;
        animation-delay: 1.2s;
      }
      &.right {
        width: 62px;
        top: 100px;
        left: 500px;
        opacity: 0;
        animation-name: cloudRight;
        animation-duration: 2s;
        animation-timing-function: linear;
        animation-fill-mode: forwards;
        animation-delay: 1s;
      }
      @keyframes cloudLeft {
        0% {
          top: 17px;
          left: 220px;
          opacity: 0;
        }
        20% {
          top: 33px;
          left: 188px;
          opacity: 1;
        }
        80% {
          top: 81px;
          left: 92px;
          opacity: 1;
        }
        100% {
          top: 97px;
          left: 60px;
          opacity: 0;
        }
      }
      @keyframes cloudMid {
        0% {
          top: 10px;
          left: 420px;
          opacity: 0;
        }
        20% {
          top: 40px;
          left: 360px;
          opacity: 1;
        }
        70% {
          top: 130px;
          left: 180px;
          opacity: 1;
        }
        100% {
          top: 160px;
          left: 120px;
          opacity: 0;
        }
      }
      @keyframes cloudRight {
        0% {
          top: 100px;
          left: 500px;
          opacity: 0;
        }
        20% {
          top: 120px;
          left: 460px;
          opacity: 1;
        }
        80% {
          top: 180px;
          left: 340px;
          opacity: 1;
        }
        100% {
          top: 200px;
          left: 300px;
          opacity: 0;
        }
      }
    }
  }
  .tip{
    display: flex;
    justify-content: center;
    align-items: center;
    .bullshit {
      position: relative;
      float: left;
      width: 300px;
      padding: 30px 0;
      overflow: hidden;
      &__oops {
        font-size: 32px;
        font-weight: bold;
        line-height: 40px;
        color: #1482f0;
        opacity: 0;
        margin-bottom: 20px;
        animation-name: slideUp;
        animation-duration: 0.5s;
        animation-fill-mode: forwards;
      }
      &__headline {
        font-size: 20px;
        line-height: 24px;
        color: #222;
        font-weight: bold;
        opacity: 0;
        margin-bottom: 10px;
        animation-name: slideUp;
        animation-duration: 0.5s;
        animation-delay: 0.1s;
        animation-fill-mode: forwards;
      }
      &__info {
        font-size: 13px;
        line-height: 21px;
        color: grey;
        opacity: 0;
        margin-bottom: 30px;
        animation-name: slideUp;
        animation-duration: 0.5s;
        animation-delay: 0.2s;
        animation-fill-mode: forwards;
      }
      &__return-home {
        display: block;
        float: left;
        width: 110px;
        height: 36px;
        background: #1482f0;
        border-radius: 100px;
        text-align: center;
        color: #ffffff;
        opacity: 0;
        font-size: 14px;
        line-height: 36px;
        cursor: pointer;
        animation-name: slideUp;
        animation-duration: 0.5s;
        animation-delay: 0.3s;
        animation-fill-mode: forwards;
      }
      @keyframes slideUp {
        0% {
          transform: translateY(60px);
          opacity: 0;
        }
        100% {
          transform: translateY(0);
          opacity: 1;
        }
      }
    }
  }
}
</style>
